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80W90 in both use lucas or some type of synthetic like redline.
Gear oil (80W90 or similar) is used in the transfer case and differentials.
The transfer case takes atf, use dextron.
Motorcraft MERCON automatic transmission fluid in the transfer case , according to the Owner Guide
dex/merc 3
auto trak 2
Mopar ATF+4
automatic transmission fluid
DEXRON iii ATF
The recommended transfer case fluid is a SJ-rated 5W30 viscosity oil. One example would be Amsoil 5W30 Synchromesh Fluid. The vehicle requires approximately 1.35 quarts of transfer case fluid.
type of oil does a suzuki intruder 650 take
My book told me to fill them until it started running out of the transfer case and differencial. Worked fine for me...